<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport"
        content="width=device-width, initial-scale=1, maximum-scale=1, minimum-scale=1, user-scalable=no">
    <title>地形开挖</title>
    <link href="../Build/Cesium/Widgets/widgets.css" rel="stylesheet" />
    <script src="../Build/Cesium/Cesium.js"></script>
    <script src="plugin/TerrainClipPlan.js"></script>
    <style>
        html,
        body,
        #cesiumContainer {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
            overflow: hidden;
        }
    </style>

</head>

<body>
    <div id="cesiumContainer"></div>
    <script>
        let osm = new Cesium.UrlTemplateImageryProvider({
            url: "http://mt1.google.cn/vt/lyrs=s&hl=zh-CN&x={x}&y={y}&z={z}&s=Gali"
        });

        // let osm = Cesium.createOpenStreetMapImageryProvider({
        //     url: 'https://a.tile.openstreetmap.org/'
        // });
        let terrain = new Cesium.CesiumTerrainProvider({
            url: "../Source/Terrain/beijing/"
        });
        let viewer = new Cesium.Viewer('cesiumContainer', {
            imageryProvider: osm,
            terrainProvider: terrain,//地形数据源
            contextOptions: {
                webgl: {
                    alpha: true
                }
            },
            selectionIndicator: false,
            animation: false,  //是否显示动画控件
            baseLayerPicker: false, //是否显示图层选择控件
            geocoder: false, //是否显示地名查找控件
            timeline: false, //是否显示时间线控件
            sceneModePicker: false, //是否显示投影方式控件
            navigationHelpButton: false, //是否显示帮助信息控件
            infoBox: false,  //是否显示点击要素之后显示的信息
            fullscreenButton: false,
            shouldAnimate: true //动画播放
        });

        //取消双击事件
        viewer.cesiumWidget.screenSpaceEventHandler.removeInputAction(Cesium.ScreenSpaceEventType.LEFT_DOUBLE_CLICK);
        //设置homebutton的位置
        Cesium.Camera.DEFAULT_VIEW_RECTANGLE =
            Cesium.Rectangle.fromDegrees(116.15, 40.54, 116.25, 40.56);//Rectangle(west, south, east, north)
        //设置初始位置
        viewer.camera.setView({
            destination: Cesium.Cartesian3.fromDegrees(117.220108, 31.834937, 3000)
        });

        //开启深度检测
        viewer.scene.globe.depthTestAgainstTerrain = true;

        let terrainClipPlan = new Cesium.TerrainClipPlan(viewer, {
            height: 30,
            splitNum: 50,
            wallImg: "../Source/Images/excavate_side_min.jpg",
            bottomImg: "../Source/Images/excavate_bottom_min.jpg"
        })

        terrainClipPlan.updateData([{ x: -2480825.779644006, y: 4823039.348573122, z: 3344998.9734951435 },
        { x: -2481057.6623671586, y: 4822939.719360245, z: 3344970.8291531955 },
        { x: -2481026.5803391673, y: 4823096.907581604, z: 3344768.5949868727 },
        { x: -2480854.0689538443, y: 4823168.905374106, z: 3344792.5711652176 }])
    </script>
</body>

</html>